1. Department of Chemistry, KTH Royal Institute of Technology, Teknikringen 30, SE-100 44 Stockholm, Sweden
2. UCAM-SENS, Universidad Católica San Antonio de Murcia, UCAM HiTech, Avda. Andres Hernandez Ros 1, 30107 Murcia, Spain
3. Department of Physiology, Nutrition, and Biomechanics, The Swedish School of Sport and Health Sciences, GIH, SE-11486 Stockholm, Sweden
4. Swedish Unit of Metrology in Sports, Institution of Health and Welfare, Dalarna University, SE-791 88 Falun, Sweden
5. Institution of Health and Welfare, Dalarna University, SE-791 88 Falun, Sweden